Marilyn and Michael Lucas: The founding members of the San Francisco History Association speak at the SFHA’s monthly meeting. The Summer of Love is their topic. [7:30 p.m., St. Philip’s Church, 725 Diamond St., S.F.]

Art and agriculture: Local farmers discuss small-scale farming, localized art projects and the role of community engagement in their work. [1 p.m., Museum of Craft and Folk Art, 51 Yerba Buena Lane, S.F.]